Groton Weather Forecast 15 Days, Weather in Groton Today
Current weather conditions and 15 day weather forecast for Groton, South Dakota, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Groton
| 09 February 2026 Monday 6.7 ° C / 44.1°F  Partly cloudy |
Feels Like : 3.7 ° C / 38.6°F Humidity : % 65 Pressure : 1010 mb Wind Speed : 16.2 kmph / 10.1 miles from NNE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Groton, SD, USA
Weather Forecast for next 15 Days for Groton including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Groton, South Dakota state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 February 2026 Monday |  Sunny |
0.1 ° C (32.2°F) |
9.7 ° C (49.5°F) |
3.8 ° C (38.8°F) |
% 81 | 0% | 0.3 | Sunrise:07:42 AM Sunset: 05:51 PM |
Moonrise:01:49 AM Moonset: 10:43 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday | Partly Cloudy |
-1.2 ° C (29.9°F) |
5.2 ° C (41.4°F) |
0.9 ° C (33.7°F) |
% 81 | 0% | 0.4 | Sunrise:07:41 AM Sunset: 05:52 PM |
Moonrise:02:56 AM Moonset: 11:15 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday | Partly Cloudy |
-2.3 ° C (27.9°F) |
5.7 ° C (42.3°F) |
0.7 ° C (33.3°F) |
% 79 | 0% | 0.4 | Sunrise:07:39 AM Sunset: 05:54 PM |
Moonrise:03:59 AM Moonset: 11:55 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday |  Overcast |
-0.4 ° C (31.3°F) |
5.4 ° C (41.7°F) |
1.7 ° C (35°F) |
% 85 | 0% | 0.4 | Sunrise:07:38 AM Sunset: 05:55 PM |
Moonrise:04:56 AM Moonset: 12:44 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Partly Cloudy |
-1 ° C (30.2°F) |
7.8 ° C (46°F) |
3.3 ° C (37.9°F) |
% 71 | 0% | 0 | Sunrise:07:36 AM Sunset: 05:56 PM |
Moonrise:05:45 AM Moonset: 01:44 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Sunny |
1 ° C (33.7°F) |
8.5 ° C (47.3°F) |
3.7 ° C (38.7°F) |
% 62 | 0% | 2 | Sunrise:07:35 AM Sunset: 05:58 PM |
Moonrise:06:24 AM Moonset: 02:51 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday |  Patchy rain nearby |
1.9 ° C (35.5°F) |
12 ° C (53.5°F) |
5.9 ° C (42.6°F) |
% 66 | 82% | 2 | Sunrise:07:33 AM Sunset: 05:59 PM |
Moonrise:06:55 AM Moonset: 04:02 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Sunny |
5 ° C (41.1°F) |
11.1 ° C (52°F) |
8.2 ° C (46.8°F) |
% 65 | 0% | 3 | Sunrise:07:32 AM Sunset: 06:01 PM |
Moonrise:07:21 AM Moonset: 05:16 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Sunny |
-1 ° C (30.2°F) |
5.7 ° C (42.3°F) |
2 ° C (35.6°F) |
% 61 | 0% | 2 | Sunrise:07:30 AM Sunset: 06:02 PM |
Moonrise:07:42 AM Moonset: 06:29 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Partly Cloudy |
-1.7 ° C (28.9°F) |
14.1 ° C (57.3°F) |
5.3 ° C (41.6°F) |
% 56 | 0% | 3 | Sunrise:07:29 AM Sunset: 06:03 PM |
Moonrise:08:01 AM Moonset: 07:43 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Sunny |
-13 ° C (8.6°F) |
-7.4 ° C (18.7°F) |
-9.1 ° C (15.6°F) |
% 53 | 0% | 2 | Sunrise:07:27 AM Sunset: 06:05 PM |
Moonrise:08:19 AM Moonset: 08:58 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Overcast |
-16.1 ° C (3°F) |
-11.2 ° C (11.8°F) |
-14 ° C (6.8°F) |
% 50 | 0% | 1 | Sunrise:07:25 AM Sunset: 06:06 PM |
Moonrise:08:38 AM Moonset: 10:14 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday |  Light freezing rain |
-15.9 ° C (3.4°F) |
-12.1 ° C (10.3°F) |
-14.1 ° C (6.6°F) |
% 62 | 66% | 1 | Sunrise:07:24 AM Sunset: 06:08 PM |
Moonrise:08:58 AM Moonset: 11:33 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Partly Cloudy |
-17.7 ° C (0.2°F) |
-12.7 ° C (9.2°F) |
-15.2 ° C (4.7°F) |
% 52 | 0% | 2 | Sunrise:07:22 AM Sunset: 06:09 PM |
Moonrise:09:22 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
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